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Question- The specific heat capacity of methane gas is 2.20 J/g-K. How many joules of heat are needed to raise the temperature of 7.25 g of methane from 20.0°C to 44.1°C?
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Given a mixture of gases that contains .55 moles N2 and .20 moles CO2, what is the partial pressures of each gas if the total pressure of the mixture is 1.32 atm?
Manganese dioxide reacts with hydrochloric acid as shown in the chemical equation MnO2(s) + 4HCl(aq)-->MnCl2O(l) + Cl2(g) What is the percent yield of the reaction if 5.75 g of H20 is obtained when 28g of MnO2 and 28g of HCl are mixed and allowed ..
a flask holds 100ml. when empty is mass is 125.54g. when filled with a solution of potassium bromide the mass of the
Explain what mole ratio of molecular chlorine to molecular oxygen would result from the breakup of compound Cl2O7 into its constituent elements
calculate the heat of fusion of ice in calg and jg given the following informationinitial water temperature 51ocinitial
A sample of gas has an initial volume of 2.8 L at a pressure of 753 mmHg .If the volume of the gas is increased to 3.6 L, what will the pressure be
completely neutralizes stomach acid (HCl, .10M) How much carbon dioxide is made at STP (37 C, 767 torr, 100% humidity) by ingesting one 1.834 gram tablet
Methanol, CH3OH, is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen: CO(g) + 2H2(g) CH3OH(g). An equilibrium mixture in a 2.00 L vessel is found to contaim 0.0406 mol CH3OH, 0.170 mol CO, NS 0.302 MOL h2 AT 500 k...
Question- A pure gold ring and pure silver ring have a total mass of 16.0g . The two rings are heated to 71.1?C and dropped into a 13.6mL of water at 21.8?C. When equilibrium is reached, the temperature of the water is 24.2?C.
Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite. MgCO3(s) ? MgO(s) + CO2(g) ?Hrxn = 117.3 kJ
In lab we are doing chemical kinetics. We started off with 0.7550 M of Oxalic acid and then added water and 0.1300 M of Permanganate. For the first trial, 5 mL of Oxalic acid was used, then 6 mL of water were added and then 1 mL of Permanganate we..
Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 J/ g.C and 1.00 g/mL ] and that no heat is lost to the calorimeter itself, nor to the surroundings.
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